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11 Amazing Animals That Use Tools
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11 Amazing Animals That Use Tools

01 Of 12 Just How Smart Are Bottlenose Dolphins, American Alligators, and Grizzly Bears? Getty Images Tool use by animals is a subject of enormous controversy, for the simple reason that it's difficult to draw a line between hard-wired instinct and culturally transmitted learning. Do sea otters smash snails with rocks because they're intelligent and adaptive, or are these mammals born with this innate ability?

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All 25 Elephant and Piggie Books by Mo Willems

I highly recommend all of the Elephant and Piggie books. They are fun, easy to navigate, and have no superfluous words or details in the illustrations, making it easy for new readers to focus on what's important and to enjoy the reading experience. They also stress the value of friendship and getting along with others.
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Review Exercises in Subject-Verb Agreement

These three review exercises will give you practice in applying the rules of subject-verb agreement. After you have completed each exercise, compare your responses with the answers. Agreement Exercise A For each pair of sentences below, write out the correct form of the verb in parentheses. Keep to the present tense, and be guided by our four tips for agreement and our three special cases.
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Definition and Examples of Procatalepsis in Rhetoric

Procatalepsis is a rhetorical strategy by which a speaker or writer anticipates and responds to an opponent's objections. Also spelled prokatalepsis . Adjective: Procataleptic The figure of speech and argumentative strategy of procatalepsis is also known as the prebuttal , the figure of presupposal , anticipatio , and anticipated refutation .
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Appositive Adjective

An Appositive Adjective is a traditional grammatical term for an adjective (or a series of adjectives) that follows a noun and, like a nonrestrictive appositive, is set off by commas or dashes. Appositive adjectives often appear in pairs or groups of three (tricolons). Examples and Observations "Arthur was a big boy, tall, strong, and broad-shouldered .
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Best Quotes About Chemistry

This is a collection of chemistry quotes, relating to the science of chemistry or quotations from chemists about chemistry. Marie Curie “Scientist believe in things, not in persons” Robert B. Laughlin "I also taught myself how to blow glass using a propane torch from the hardware store and managed to make some elementary chemistry plumbing such as tees and small glass bulbs.
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Daily Mandarin Lesson: "Happy" in Chinese

There are many ways to say happy in Chinese. Like with English, Chinese words have synonyms so that conversation doesn't get too repetitive. Here are the four ways you can say "happy" in Chinese along with examples of how to use the term. Audio files are marked with ►. 高兴 (gāo xìng) To describe a state of feeling happy in the moment, you would use the term 高兴.
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Alfred the Great Quotations

Alfred was extraordinary for an early medieval king in several respects. He was a particularly wily military commander, successfully keeping the Danes at bay, and he wisely shored up defenses when the enemies of his kingdom were occupied elsewhere. At a time when England was little more than a collection of warring kingdoms, he established diplomatic relations with his neighbors, including the Welsh, and unified a substantial portion of the heptarchy.
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Anne Bradstreet

About Anne Bradstreet Known for: Anne Bradstreet was America's first published poet. She's also known, through her writings, for her intimate view of life in early Puritan New England. In her poems, women are quite capable of reason, even while Anne Bradstreet largely accepts the traditional and Puritan assumptions about gender roles.
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How to Solve Algebra Problems Step-By-Step

Solving Algebra word problems is useful in helping you to solve earthly problems. While the 5 steps of Algebra problem solving are listed below, this article will focus on the first step, Identify the problem. Use the Following Steps to Solve Word Problems: Identify the problem. Identify what you know.
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Correlation and Causation in Statistics

One day at lunch a young woman was eating a large bowl of ice cream, and a fellow faculty member walked up to her and said, “You had better be careful, there is a high statistical correlation between ice cream and drowning.” She must have given him a confused look, as he elaborated some more. “Days with the most sales of ice cream also see the most people drown.
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Gravimetric Analysis Definition

Gravimetric analysis is a collection of quantitative analysis laboratory techniques based on the measurement of an analyte's mass. One example of a gravimetric analysis technique can be used to determine the amount of an ion in a solution by dissolving a known amount of a compound containing the ion in a solvent to separate the ion from its compound.
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Abraham Darby (1678 - 1717)

Englishmen Abraham Darby (1678 - 1717) invented coke smelting in 1709 and, advanced the mass production of brass and iron goods. Coke smelting replaced charcoal with coal in metal foundries during the process of refining metals; this was important to Britain's future since charcoal at that time was becoming scarce and was more expensive.
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All About the French Regular Verb 'Passer' ('to Pass')

Passer ('to pass') is a very common and useful regular -er verb, by far the largest group of verbs in the French language. It may be used as a transitive verb that takes a direct object or an intransitive verb, and in doing so, its compound tenses are conjugated with either avoir or être. Intransitive 'Passer' + ' être' With no direct object, passer means "to pass" and requires être in the compound tenses: Le train va passer dans cinq minutes.
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A Guide to Halloween Customs in Germany

Halloween, as we celebrate it commonly today, is not originally German. Yet many Germans embrace it. Others, especially those of the older generation, believe that Halloween is just American hype. Though the commercialism of Halloween does indeed stem from North America, the tradition and celebration itself had its origins in Europe.
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7 Factors that Make Teaching So Challenging

Teaching is one of the most rewarding professions in that it gives you an opportunity to make an impact on a future generation. It is also extremely difficult and draining-no one with actual teaching experience would tell you otherwise. Being a teacher takes patience, dedication, passion, and the ability to do more with less.
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Terminal Velocity and Free Fall

Terminal velocity and free fall are two related concepts that tend to get confusing because they depend on whether or not a body is in empty space or in a fluid (e.g., and atmosphere or even water). Take a look at the definitions and equations of the terms, how they are related, and how fast a body falls in free fall or at terminal velocity under different conditions.
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Was Constantine the Great a Christian?

Constantine-also known as Emperor Constantine I or Constantine the Great-decreed tolerance for Christians in the Edict of Milan, convened an ecumenical council to discuss Christian dogma and heresy, and constructed Christian edifices in his new capital city (Byzantium/Constantinople, now Istanbul) Was Constantine a Christian?
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The History of Toys

Toy manufacturers and toy inventors use both utility and design patents, along with trademarks and copyrights. In fact, many toys especially video games take advantage of all three types of intellectual property protection. Toys as "big business" did not begin until after the 1830s, when steamboats and steam trains improved the transportation and distribution of manufactured goods.
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Argument (Rhetoric and Composition)

In rhetoric, an argument is a course of reasoning aimed at demonstrating truth or falsehood. In composition, argument is one of the traditional modes of discourse. Adjective: argumentative . The Use of Argument in Rhetoric Daniel J. O'Keefe, a professor of communication and persuasion theory, has distinguished two senses of argument .
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Commonly Confused Words Fir and Fur

The words fir and fur are homophones: they sound alike but have different meanings. The noun fir refers to an evergreen tree with needle-shaped leaves. The noun fur refers to the soft, hairy coat of an animal or to a garment made of fur. Examples "In an area where spruce and fir mingle with quaking aspen, in a cool shady well-watered place, I discover a blue columbine, rarest and loveliest of mountain flowers.
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